Significance of multivisceral resections in oncologic surgery: A systematic review of the literature

Table 4 Patient- and treatment- associated parameters of minimal-invasive multivisceral resection for colon and rectal cancer

Study	Resection margin (R0 vs R1)	Lymph-node harvest (n)	Conversion rate	Reason for conversion	Blood loss (mL)	Operative time (min)	LOS (d)
Kumamoto et al[15]	R0: 95%	26	6.8%	Excessive tumor fixation (n = 4); Suspicion of invasion to the duodenum (n = 2); Intraperitoneal adhesion (n = 2)	49	254	11
Takahashi et al[12]	R0: 96%	34 Open: 33	12%	The conversion rate was highest in cases involving the urinary tract (40%)	50; Open: 321	279; Open: 255	14; Open: 22.5
Tei et al[23]	R0: S-MVR: 100%; M-MVR: 93%	S-MVR: 30; M-MVR: 25	S-MVR M-MVR: 14%; M-MVR Open: 33%	Small intestine involvement	S-MVR: 60; M-MVR: 220	S-MVR: 222; M-MVR: 255	S-MVR: 11; M-MVR: 18
Kim et al[17]	R0: 71%	34; Open: 40	7.9%	NR	268; Open: 637	330; Open: 257	21.9; Open: 21
Shin et al[22]	R0: 100%	20	4.5%	Unable to tolerate Trendelenburg position and intraperitoneal adhesions	225	421	4.5

LOS: Length of hospital stay; S-MVR: Single-port multivisceral resection; M-MVR: Multi-port MVR.